Resposta :
Resposta:
(-2 -3/4 + 5/8) - (6 -9/2)
(-8-3/4 + 5/8) - (12-9/2)
(-11/4 + 5/8) -3/2
(20-88/32) -3/2
-68/32 -3/2
-136-96/64
-232/64
-29/8
Resposta:
(-2 -3/4 + 5/8) - (6 -9/2)
(-8-3/4 + 5/8) - (12-9/2)
(-11/4 + 5/8) -3/2
(20-88/32) -3/2
-68/32 -3/2
-136-96/64
-232/64
-29/8